Jain, Dr. Preeti, Dr. Roopam Jain, Dr. Anupam Kumar Jain, Dr. Manisha Jindal, and Dr. R. Dixit. “Aging and Its Theories: Aging and Its Theories”. National Journal of Integrated Research in Medicine 3, no. 2 (June 30, 2012): 170–173. Accessed November 25, 2024. http://nicpd.ac.in/ojs-/index.php/njirm/article/view/292.